" Kawaminami was always bursting with curiosity and energy. If something sparked his interest, he couldn’t stay still. But he was also quite aware that his own abundant curiosity could often prevent him from considering situations deeply enough. He also knew that, while his enthusiasm could flare up in a flash, he could also lose interest just as fast. "

― Yukito Ayatsuji , The Decagon House Murders (Mansion Murders #1)